---> uname -a: Linux prd-ubuntu2004-memcached-4c-4g-572 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 2 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Retbleed: Vulnerable Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP disabled, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 8.7G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 6.1M 99M 6% /boot/efi /dev/loop1 44M 44M 0 100% /snap/snapd/15177 /dev/loop0 62M 62M 0 100% /snap/core20/1405 /dev/loop2 68M 68M 0 100% /snap/lxd/22753 tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16009 641 12813 1 2554 15033 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:f0:9b:d9 brd ff:ff:ff:ff:ff:ff inet 10.30.106.72/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86243sec preferred_lft 86243sec inet6 fe80::f816:3eff:fef0:9bd9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-572) 04/11/26 _x86_64_ (4 CPU) 19:18:30 LINUX RESTART (4 CPU) 19:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 149.69 18.15 131.54 0.00 551.11 15413.85 0.00 19:21:01 141.36 12.95 128.41 0.00 1139.14 19438.36 0.00 Average: 145.53 15.55 129.98 0.00 845.13 17426.10 0.00 19:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13044816 14966400 1028788 6.28 85704 2017072 1793932 10.29 1230596 1829960 215548 19:21:01 13161880 15433900 551924 3.37 128784 2278612 1153640 6.61 859656 2033052 33548 Average: 13103348 15200150 790356 4.82 107244 2147842 1473786 8.45 1045126 1931506 124548 19:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1.60 1.60 0.19 0.19 0.00 0.00 0.00 0.00 19:20:01 ens3 263.86 207.45 3318.43 36.74 0.00 0.00 0.00 0.00 19:21:01 lo 1.13 1.13 0.12 0.12 0.00 0.00 0.00 0.00 19:21:01 ens3 48.64 39.19 285.01 12.53 0.00 0.00 0.00 0.00 Average: lo 1.37 1.37 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 156.25 123.32 1801.72 24.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.4.0-148-generic (prd-ubuntu2004-memcached-4c-4g-572) 04/11/26 _x86_64_ (4 CPU) 19:18:30 LINUX RESTART (4 CPU) 19:19:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 26.48 0.00 2.15 2.27 0.08 69.02 19:20:01 0 32.98 0.00 2.29 0.80 0.08 63.85 19:20:01 1 26.31 0.00 2.40 5.22 0.08 65.98 19:20:01 2 31.49 0.00 2.41 2.36 0.07 63.67 19:20:01 3 15.14 0.00 1.52 0.70 0.07 82.57 19:21:01 all 21.05 0.00 2.03 1.97 0.07 74.88 19:21:01 0 9.08 0.00 1.69 2.94 0.05 86.24 19:21:01 1 53.18 0.00 3.38 2.86 0.08 40.50 19:21:01 2 18.48 0.00 2.34 2.05 0.05 77.08 19:21:01 3 3.48 0.00 0.74 0.03 0.08 95.67 Average: all 23.76 0.00 2.09 2.12 0.07 71.95 Average: 0 21.04 0.00 1.99 1.87 0.07 75.03 Average: 1 39.77 0.00 2.89 4.04 0.08 53.22 Average: 2 24.97 0.00 2.38 2.21 0.06 70.38 Average: 3 9.31 0.00 1.13 0.37 0.08 89.12